code.grnet.gr Git - pithos-ios/blob - Classes/GetImagesRequest.m

   1 //
   2 //  GetImagesRequest.m
   3 //  OpenStack
   4 //
   5 //  Created by Mike Mayo on 12/31/10.
   6 //  The OpenStack project is provided under the Apache 2.0 license.
   7 //
   8
   9 #import "GetImagesRequest.h"
  10 #import "OpenStackAccount.h"
  11 #import "AccountManager.h"
  12 #import "Image.h"
  13
  14
  15 @implementation GetImagesRequest
  16
  17 + (id)request:(OpenStackAccount *)account method:(NSString *)method url:(NSURL *)url {
  18         GetImagesRequest *request = [[[GetImagesRequest alloc] initWithURL:url] autorelease];
  19     request.account = account;
  20         [request setRequestMethod:method];
  21         [request addRequestHeader:@"X-Auth-Token" value:[account authToken]];
  22     [request addRequestHeader:@"Content-Type" value:@"application/json"];
  23     [request setTimeOutSeconds:40];
  24         return request;
  25 }
  26
  27 + (id)serversRequest:(OpenStackAccount *)account method:(NSString *)method path:(NSString *)path {
  28     NSString *now = [[[NSDate date] description] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
  29     NSLog(@"account servers url: %@", account.serversURL);
  30         NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@?now=%@", account.serversURL, path, now]];
  31     return [GetImagesRequest request:account method:method url:url];
  32 }
  33
  34 + (GetImagesRequest *)request:(OpenStackAccount *)account {
  35     GetImagesRequest *request = [GetImagesRequest serversRequest:account method:@"GET" path:@"/images/detail"];
  36     request.account = account;
  37     return request;
  38 }
  39
  40 - (void)requestFinished {
  41
  42     if ([self isSuccess]) {
  43         // go through results and add, rather than full replace. this way we'll keep correct OS logos
  44         // for servers with deprecated images
  45         NSMutableDictionary *newImages = [[NSMutableDictionary alloc] initWithDictionary:[self images]];
  46         if (!self.account.images) {
  47             self.account.images = [NSMutableDictionary dictionaryWithCapacity:[newImages count]];
  48         }
  49         // set them all to unlaunchable, then we'll update them
  50         for (Image *image in [self.account.images allValues]) {
  51             if ([image isKindOfClass:[Image class]]) {
  52                 image.canBeLaunched = NO;
  53             }
  54         }
  55         for (Image *image in [newImages allValues]) {
  56             Image *newImage = [self.account.images objectForKey:image.identifier];
  57             if (newImage) {
  58                 if ([newImage isKindOfClass:[Image class]]) {
  59                     newImage.canBeLaunched = YES;
  60                 }
  61             } else {
  62                 if ([image isKindOfClass:[Image class]]) {
  63                     image.canBeLaunched = YES;
  64                     [self.account.images setObject:image forKey:image.identifier];
  65                 }
  66             }
  67         }
  68         [newImages release];
  69         [self.account persist];
  70         [self.account.manager notify:@"getImagesSucceeded" request:self object:self.account];
  71     } else {
  72         [self.account.manager notify:@"getImagesFailed" request:self object:self.account];
  73     }
  74
  75     [super requestFinished];
  76 }
  77
  78 - (void)failWithError:(NSError *)theError {
  79     [self.account.manager notify:@"getImagesFailed" request:self object:self.account];
  80     [super failWithError:theError];
  81 }
  82
  83
  84 @end